Swimming in Perth in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Perth in september 2025.
In september, according to seasonal norms, the sea temperature in Perth is:
Minimum: 65°F
Average: 67°F
Maximum: 68°F
Other useful seasonal weather averages in september:
- Outside temperature: 56°F to 68°F
- Most common weather: "Clear/Sunny"
- The wind blows at 8.1mph
- It rains a total of 3.1in, over 5 day(s).
Should we swim in Perth in september?
Yes... and no. The water temperature in Perth in september is cool
Swimming in september on the beaches of Perth is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 68°F, it can also be as low as 65°F! Note that the average is 67°F.
Note also that in september, the climate is good with an average outside temperature of 62°F, 3in of precipitation (over 5 days) and 74.09 % humidity.
Water and normal seasonal temperatures in Perth in september
| September | |||
| Average sea temperature | 67°F | ||
| Minimum sea temperature | 65°F | ||
| Maximum sea temperature | 68°F | ||
| Average outside temperature | 63°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 58°F | ||
| Wind speed | 11.8mph | ||
| Wind temperature | 56°F | ||
| Precipitation | 3.1in | ||
| Number of days of rain | 5 jour(s) (17%) | ||
| Humidity | 75% | ||
| Visibility in kilometers | 9.49km | ||
| Cloud cover | 34% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Perth
Swim elsewhere in Australia in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Sydney in september | 66°F | 68°F | cool swimming | Adelaide in september | 58°F | 60°F | freezing swimming | Brisbane (Queensland) in september | 72°F | 74°F | pleasant swimming | Cairns in september | 77°F | 80°F | pleasant swimming | Darwin in september | 82°F | 85°F | ideal swimming | Melbourne in september | 59°F | 60°F | freezing swimming | Fraser Island in september | 73°F | 76°F | pleasant swimming | Gold Coast in september | 72°F | 74°F | pleasant swimming | Kangaroo Island in september | 59°F | 61°F | freezing swimming | Port Hedland in september | 75°F | 77°F | pleasant swimming | Port Macquarie in september | 69°F | 72°F | cool swimming | Streaky Bay in september | 61°F | 63°F | cold swimming | Warrnambool in september | 58°F | 59°F | freezing swimming | Eden in september | 61°F | 65°F | cold swimming | Fremantle in september | 66°F | 68°F | cool swimming | Whitsunday Islands in september | 75°F | 78°F | pleasant swimming | Batemans Bay in september | 64°F | 66°F | cool swimming | Bondi beach in september | 66°F | 68°F | cool swimming | Broome in september | 78°F | 80°F | pleasant swimming | Bundaberg in september | 73°F | 76°F | pleasant swimming |